| Control
Flow Diagrams |
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| Flow charts: |
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| originally used
only |
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| for specification
and |
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| documentation |
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| later, executable |
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| flow charts were |
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| developed. |
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| Read n |
| product = 1 |
| N |
| n > 1 |
| Y |
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| Print |
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| product |
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| product
*= n |
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| n-- |
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